Mandating buildings can sustainably regulate internal temperatures is a good policy, but I think mandating heat pumps in new builds is a bad way of doing that.

Mandating buildings can sustainably regulate internal temperatures is a good policy, but I think mandating heat pumps in new builds is a bad way of doing that. There are other strategies that may be more effective, both in terms of cost and emissions, such as the use of district heating or designing buildings for passive heat management. Building codes should allow these to be used as an alternative.